Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 2 1 0.05 0.01 2 1 0.05 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference in layers of atoms Tetrahedral structure of diamond None of these Difference of crystalline structures Difference in layers of atoms Tetrahedral structure of diamond None of these Difference of crystalline structures ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Benzoic acid Oxalic acid Phthalic acid Cinnamic acid Benzoic acid Oxalic acid Phthalic acid Cinnamic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Remove water content Remove suspended solids Disinfect the sewage Aerate the sewage Remove water content Remove suspended solids Disinfect the sewage Aerate the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to n-heptane iso-octane 3-methyl octane 2-methyl octane n-heptane iso-octane 3-methyl octane 2-methyl octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The next higher homologue of C6H14 is C6H12 C7H16 C7H14 C7H12 C6H12 C7H16 C7H14 C7H12 ANSWER DOWNLOAD EXAMIANS APP